Parents will share iTunes credentials with kid. Kids will still be handed these things as playthings. Parents will disable it so they don’t have to enter it every 15 minutes. This will just get Apple from having to offer refunds because of the fact that every time you try to make something a little more idiot-proof, Apple will have to make it more fool-proof to make sure it doesn’t become fool-hard enough to use it again. The new feature is available now on Apple’s iOS 8 software.”]
Source: https://gizmodo.com/ios-4-3-requires-passwords-for-in-app-purchases-to-prot-5780685